LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Cam only LT1 makes 396 HP, record?

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Old 05-18-2009, 12:48 PM
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Default Cam only LT1 makes 396 HP, record?

So there was a dyno day south of Tampa Florida and a guy who says he has a cam only made 396 RWHP. Wow, I'm impressed! My 396 made the same HP. Is this a record for LT1's?

http://www.need2speed.com/vb_forums/...t=60508&page=2

It is stock ci, but there is some porting work on the heads. There just aren't many people who setup those cars correctly. Phil did research, and TONS of it. It paid off it seems like.

Where did you get this information from?
The car will be getting a H/C 383 in the near future, but it currently has stock heads.
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Old 05-18-2009, 12:54 PM
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I call BS on a cam only LT1 putting down 396 rwhp NA.

What's up with your post, looks like you are asking yourself questions.
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Old 05-18-2009, 12:56 PM
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I copied some of the thread discussions.
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Old 05-18-2009, 12:57 PM
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Originally Posted by ss.slp.ls1
I call BS on a cam only LT1 putting down 396 rwhp NA.

What's up with your post, looks like you are asking yourself questions.
Maybe I'll ask him to come over and explain how he accomplished this. He's done research it seems.
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Old 05-18-2009, 01:00 PM
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Originally Posted by 97blkz
Maybe I'll ask him to come over and explain how he accomplished this. He's done research it seems.
That's fine. I call BS without proof, even then, I call error on the dyno or operator there of.
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Old 05-18-2009, 01:04 PM
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Originally Posted by ss.slp.ls1
That's fine. I call BS without proof, even then, I call error on the dyno or operator there of.
I am also shocked, I see heads and cam LT1's make 340-360 at best. That's with heads done nice and intake. My 396 made the same HP with a stock lt4 intake and worked lt4 heads. I'm also guessing my cam is bigger.
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Old 05-18-2009, 01:07 PM
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i wouldnt call BS on the guy without letting him explain the combo. he isnt a shop, but jsut a regular dude. i am on the N2S site that this info was linked and he is a local mustang racer that built that LT1 cam only combo for his wife.

i have personally never seen a 400 rwhp cam only LT1 (talking about stock heads and bottom end). this would be the first. its kind of crazy considering most cammed lt1s i see make only 330 or so rwhp at best and many H/C/I LT1 cars make about 350-360 rwhp with street combos.

if this is not a freek combo, i would like to see what my LT1 brothers have been doing since i stopped paying attention to the LT1 game.
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Old 05-18-2009, 01:09 PM
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Originally Posted by 97blkz
I am also shocked, I see heads and cam LT1's make 340-360 at best. That's with heads done nice and intake. My 396 made the same HP with a stock lt4 intake and worked lt4 heads. I'm also guessing my cam is bigger.
I see cam-only LT1's make that power all the time, heads/cam making 380-400+.
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Old 05-18-2009, 01:13 PM
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Originally Posted by 97blkz
but there is some porting work on the heads.
not really cam only then is it?
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Old 05-18-2009, 01:16 PM
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Originally Posted by ss.slp.ls1
I see cam-only LT1's make that power all the time, heads/cam making 380-400+.
i rarely see LT1 h/c cars making 400 rwhp. in fact, i have only read of a few and they had a lot of work put in them.
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Old 05-18-2009, 01:19 PM
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btw, with the big low end tq of an LT1, what should a 400 rwhp t56 camaro that is a former v6 car trap?
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Old 05-18-2009, 01:19 PM
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Originally Posted by gator's 99TA
i rarely see LT1 h/c cars making 400 rwhp. in fact, i have only read of a few and they had a lot of work put in them.
That's probably due in part to poor research and false advertising.
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Old 05-18-2009, 01:19 PM
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Originally Posted by gator's 99TA
i wouldnt call BS on the guy without letting him explain the combo. he isnt a shop, but jsut a regular dude. i am on the N2S site that this info was linked and he is a local mustang racer that built that LT1 cam only combo for his wife.

i have personally never seen a 400 rwhp cam only LT1 (talking about stock heads and bottom end). this would be the first. its kind of crazy considering most cammed lt1s i see make only 330 or so rwhp at best and many H/C/I LT1 cars make about 350-360 rwhp with street combos.

if this is not a freek combo, i would like to see what my LT1 brothers have been doing since i stopped paying attention to the LT1 game.
I'd love to hear what he discoverd, I open to learn new things. Maybe teh LT1 world will be more respected and a bit faster. Hell my 396 CI LT1 may put down 500+ with this new found knowledge.
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Old 05-18-2009, 01:20 PM
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Originally Posted by z_speedfreak
not really cam only then is it?
Thats what i was thinking. . . H/C/I cars make 400rwhp. . .

Sure its not the most common for a stock cubed car to make that much, but it sure can be done when we start talking ported heads and intake.
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Old 05-18-2009, 01:23 PM
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Still haven't seen his mod list, or even a dyno sheet.....
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Old 05-18-2009, 01:26 PM
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Originally Posted by 97blkz
I am also shocked, I see heads and cam LT1's make 340-360 at best. That's with heads done nice and intake. My 396 made the same HP with a stock lt4 intake and worked lt4 heads. I'm also guessing my cam is bigger.
You must see some sorry *** heads/cam LT1's if they only make 350-360rwhp, and if he has ported heads its not cam only. Hell I made 430rwhp and there is still power to be had in my setup if I really wanted it.
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Old 05-18-2009, 01:27 PM
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HEADS/cam cars put down that number fairly often. You said the heads are worked.
Guys have put down big but unusable numbers cam only, If a cam peaks at 6500 you can hit that peak with a stock shortblock on the dyno but chances of actually being able to effectively and reliably use it at the track are slim.

A good hydraulic roller 383 with ported LT1 heads should be higher, one company has repeatedly deliver 44Xrwhp with such a setup through an automatic.

A solid roller stroker with ported LT1 heads can top 500rwhp.

The average is brought WAY down by the folks who think they know more, or that think they can "save" money buying "equivalent" parts that are nowhere near equivalent.
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Old 05-18-2009, 01:30 PM
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Originally Posted by ss.slp.ls1
That's probably due in part to poor research and false advertising.
internet expert i see!
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Old 05-18-2009, 01:31 PM
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Originally Posted by speed_demon24
You must see some sorry *** heads/cam LT1's if they only make 350-360rwhp, and if he has ported heads its not cam only. Hell I made 430rwhp and there is still power to be had in my setup if I really wanted it.
Exactly!
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Old 05-18-2009, 01:33 PM
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btw, i love the word "research" that is so prevalent to these internet car boards. if i see someone use that word, it instantly clues me in what i am dealing with. someone that reads and doesnt actually RACE or BUILD cars. there is a HUGE difference b/w reading and doing.

sure there are exceptions, but i base this on my own "research" lol
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